Letter to the Editor: Sharing Image Data from Clinical Trials

Letter to editor: the critical appraisal of “efficacy of licorice extract in the treatment of melasma: a randomized, double-blind, lacebo-controlled clinical trial”

This is a letter to editor criticizing the paper entitled “Efficacy of licorice extract in the treatment of melasma: A randomized, double-blind, placebo-controlled clinical trial”. We discuss some methodological points on external and internal validity of results. The paper suffers from lack of detailed information on sample size and power calculation to make sure generalisability of results to...

Determining the validity of the data and the accuracy of the article: reviewing the articles after publication: a letter to the editor

Comment to the Letter to the Editor: Subjective Symptoms Related to GSM Radiation from Mobile Phone Base Stations: a cross-sectional study In reply to the comments by Seyed Mohammad Javad Mortazavi

Hospital Preparedness in Response to Accidents and Disasters with an All-Hazards Approach: Sharing an Experience

Letter to Editor

An Evaluation of the Quality of Sleep Before and After Nowruz Holidays, Letter to Editor

   An Evaluation of the Quality of Sleep Before and After Nowruz Holidays, Letter to Editor   Parisa Adimi Naghan1, Batoul Khoundabi2,  Oldooz Aloosh3, Javad Setareh4,5   1 Associate Professor, Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and lung Disease (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran 2 Assistan...